SAFETY DATA SHEET according to Regulation (EC) No. 1907/2006 (REACH) and Regulation (EU) No 2015/ g descaler Material number /

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1 Page: 1 of 9 SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1 Product identifier Trade name: 1.2 Relevant identified uses of the substance or mixture and uses advised against General use: For the removal of boiler scale 1.3 Details of the supplier of the safety data sheet Company name: IBEDA-CHEMIE Klaus P. Christ GmbH Street/POB-No.: Am Eichelgärtchen 32 Postal Code, city: Halsenbach Germany info@ibeda-chemie.com Telephone: +49 (0) Telefax: +49 (0) Dept. responsible for information: Herr Dohmann, Telephone: +49 (0) Additional information: Source of supply, other: BSH Hausgeräte Service GmbH Carl-Wery-Str. 34 D München spareparts@bshg.com Telephone: +49-(0) (24 h) Telefax: +49-(0) (24 h) Dept. responsible for information: Herr Zobel, Telephone: +49-(0) MCW-KDT-Gefahrstoffe@bshg.com (Only available during office hours.) 1.4 Emergency telephone number GIZ Mainz, Germany, Telephone: +49 (0) Classification of the substance or mixture SECTION 2: Hazards identification Classification according to EC regulation 1272/2008 (CLP) Skin Irrit. 2; H315 Causes skin irritation. Eye Irrit. 2; H319 Causes serious eye irritation. Skin Sens. 1; H317 May cause an allergic skin reaction. STOT SE 3; H335 May cause respiratory irritation.

2 Page: 2 of Label elements Labelling (CLP) Signal word: Warning Hazard statements: H315 Causes skin irritation. H317 May cause an allergic skin reaction. H319 Causes serious eye irritation. H335 May cause respiratory irritation. Precautionary statements: Special labelling Text for labelling: P Other hazards Results of PBT and vpvb assessment: Keep out of reach of children. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor. P302+P352 IF ON SKIN: Wash with plenty of water/soap. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308+P313 IF exposed or concerned: Get medical advice/attention. Contains Maleic acid and Sulphamidic acid. In aqueous solution, a corrosive effect cannot be ruled out because of the ph value. 3.1 Substances: not applicable 3.2 Mixtures SECTION 3: Composition / information on ingredients Chemical characterisation: Mixture of the substances listed below with non-hazardous additions Hazardous ingredients: Ingredient Designation Content Classification REACH xxxx EC No CAS EC No CAS REACH xxxx EC No CAS Full text of H- and EUH-statements: see section 16. Citric acid, anhydrous % Eye Irrit. 2; H319. Maleic acid % Acute Tox. 4; H302. Skin Irrit. 2; H315. Eye Irrit. 2; H319. Skin Sens. 1; H317. STOT SE 3; H335. Sulphamidic acid % Skin Irrit. 2; H315. Eye Irrit. 2; H319. Aquatic Chronic 3; H412.

3 Page: 3 of Description of first aid measures General information: In case of inhalation: Following skin contact: After eye contact: After swallowing: SECTION 4: First aid measures If victim is at risk of losing consciousness, position and transport on their side. Provide fresh air. Put victim at rest. Seek medical treatment in case of troubles. If breathing becomes irregular or ceases, apply rescue breathing or artificial respiration immediately, where required supply oxygen. After contact with skin, wash immediately with soap and plenty of water. Change contaminated clothing. In case of skin irritation, consult a physician. Immediately flush eyes with plenty of flowing water for 10 to 15 minutes holding eyelids apart. Remove contact lenses. Subsequently consult an ophthalmologist. Never give anything by mouth to an unconscious person. Rinse mouth with water. Drink large quantities of water. Do not induce vomiting. Seek medical attention. 4.2 Most important symptoms and effects, both acute and delayed May cause an allergic skin reaction. Causes skin irritation. Causes serious eye irritation. 4.3 Indication of any immediate medical attention and special treatment needed Treat symptomatically. Rinse mouth with water. Product reacts acidic. 5.1 Extinguishing media SECTION 5: Firefighting measures Suitable extinguishing media: Water fog, alcohol resistant foam, extinguishing powder, carbon dioxide. Extinguishing media which must not be used for safety reasons: High power water jet 5.2 Special hazards arising from the substance or mixture 5.3 Advice for firefighters In case of fire may be liberated: Nitrogen oxides (NOx), sulphur oxides, Carbon monoxide and carbon dioxide. Special protective equipment for firefighters: Wear a self-contained breathing apparatus and chemical protective clothing. Additional information: Hazchem-Code: - Cool endangered containers with water spray and, if possible, remove from danger zone. Use water spray jet to knock down vapours. Do not breathe fumes. Do not allow fire water to penetrate into surface or ground water. Fire water becomes acidic.

4 Page: 4 of 9 SECTION 6: Accidental release measures 6.1 Personal precautions, protective equipment and emergency procedures 6.2 Environmental precautions Avoid contact with skin and eyes. Avoid generation of dust. Do not breathe dust. In case of dust formation: Provide adequate ventilation. Wear personal protection equipment. Do not allow to enter into ground-water, surface water or drains. 6.3 Methods and material for containment and cleaning up Avoid generation of dust. Collect dry and place in appropriate containers for disposal. Subsequent cleaning. To clean the floor and all object contaminated by this material, use water. Use soda or another alkaline detergent for removal of residues. 6.4 Reference to other sections Refer additionally to section 8 and Precautions for safe handling SECTION 7: Handling and storage Advices on safe handling: Avoid contact with skin and eyes. Avoid generation of dust. Do not breathe dust. When using do not eat, drink or smoke. In case of dust formation: Provide adequate ventilation, and local exhaust as needed. Wear personal protection equipment. Precautions against fire and explosion: Usual measures for fire prevention. 7.2 Conditions for safe storage, including any incompatibilities Requirements for storerooms and containers: Keep container tightly closed and dry. Store at room temperature. Hints on joint storage: 7.3 Specific end use(s) Do not store together with strong oxidizing agents or acids. Keep away from food, drink and animal feedingstuffs. No information available. 8.1 Control parameters Occupational exposure limit values: Type Great Britain: WEL-TWA Great Britain: WEL-TWA Ireland: 8 hours Ireland: 8 hours SECTION 8: Exposure controls/personal protection Limit value 10 mg/m³ Dust limit value inhalable fraction 4 mg/m³ Dust limit value respirable fraction 10 mg/m³ Dust limit value inhalable fraction 4 mg/m³ Dust limit value respirable fraction

5 Page: 5 of 9 Additional information: TWA: 10 mg/m³ (inhalable dust) TWA: 4 mg/m³ (respirable dust) 8.2 Exposure controls Personal protection equipment Occupational exposure controls Respiratory protection: Use acid resistant materials and devices. Inspect electric installations more frequently for corrosion damage. Provide fresh air. Dust should be exhausted directly at the point of origin. Respiratory protection must be worn whenever the WEL levels have been exceeded. Dust mask or Combination filter Use combination filter type A-(P3) according to EN Hand protection: Protective gloves according to EN 374. Glove material: Nitrile rubber-layer thickness: 0.11 mm. Breakthrough time: >480 min. Observe glove manufacturer's instructions concerning penetrability and breakthrough time. Eye protection: Tightly sealed goggles according to EN 166. Body protection: Wear suitable protective clothing. General protection and hygiene measures: Avoid contact with skin and eyes. Change contaminated clothing. Provide a conveniently located eye rinse station. When using do not eat or drink. Wash hands before breaks and after work. SECTION 9: Physical and chemical properties 9.1 Information on basic physical and chemical properties Appearance: Odour: Odour threshold: Form: solid, Tablets Colour: blue odourless ph value: at 20 C, 10 g/l: 1.0 Melting point/freezing point: C Initial boiling point and boiling range: Flash point/flash point range: > 100 C Evaporation rate: Flammability: Explosion limits: Vapour pressure: Vapour density: Density: Water solubility: Partition coefficient: n-octanol/water: at 80 C: easily soluble Auto-ignition temperature: Decomposition temperature: > 135 C Viscosity, kinematic:

6 Page: 6 of 9 Explosive properties: Oxidizing characteristics: 9.2 Other information Additional information: 10.1 Reactivity SECTION 10: Stability and reactivity In aqueous solution: May be corrosive to metals Chemical stability Stable under recommended storage conditions Possibility of hazardous reactions 10.4 Conditions to avoid 10.5 Incompatible materials No dangerous reactions with proper and specified storage and handling At high temperatures, will react with alkali nitrites and nitrates as well as with other metal nitrates in explosive fashion and develop nitrogen. The product develops hydrogen in an aqueous solution in contact with metals. Reacts with alkalis with development of heat. humidity. Protect from excessive heat. halogens, bases, oxidizing agents (nitrates, nitrites, nitric acid), metals with water Hazardous decomposition products In case of fire may be liberated: Nitrogen oxides (NOx), sulphur oxides, Carbon monoxide and carbon dioxide. Thermal decomposition: > 135 C

7 Page: 7 of 9 SECTION 11: Toxicological information 11.1 Information on toxicological effects Toxicological effects: Other information: The statements are derived from the properties of the single components. No toxicological data is available for the product as such. Acute toxicity (oral): Based on available data, the classification criteria are not met. ATEmix (calculated): 2000 mg/kg > ATE <= 5000 mg/kg. Information about maleic acid: LD50 Rat, oral: 708 mg/kg. Harmful if swallowed. Acute toxicity (dermal): Lack of data. Acute toxicity (inhalative): Lack of data. Skin corrosion/irritation: Skin Irrit. 2; H315 = Causes skin irritation. Eye damage/irritation: Eye Irrit. 2; H319 = Causes serious eye irritation. Sensitisation to the respiratory tract: Lack of data. Skin sensitisation: Skin Sens. 1; H317 = May cause an allergic skin reaction. Germ cell mutagenicity/genotoxicity: Lack of data. Carcinogenicity: Lack of data. Reproductive toxicity: Lack of data. Effects on or via lactation: Lack of data. Specific target organ toxicity (single exposure): STOT SE 3; H335 = May cause respiratory irritation. Specific target organ toxicity (repeated exposure): Lack of data. Aspiration hazard: Lack of data. A corrosive effect cannot be ruled out because of the ph value. Symptoms In case of inhalation: Inhalation of dust may cause irritation of the respiratory system. Other symptoms: cough, shortage of breath. Pulmonary edema is possible. Symptoms may occur with delay. In case of ingestion: Irritations of mucous membranes in the mouth, pharynx, oesophagus and gastrointestinal tract. Other symptoms: Abdominal pain, vomiting, burns. After eye contact: Dust contact with the eyes can lead to mechanical irritation Toxicity Aquatic toxicity: SECTION 12: Ecological information Harmful effects on water organisms by modification of ph-value. Before discharge into sewage plants the product normally needs to be neutralised Persistence and degradability Further details:

8 Page: 8 of Bioaccumulative potential Partition coefficient: n-octanol/water: 12.4 Mobility in soil 12.5 Results of PBT and vpvb assessment 12.6 Other adverse effects General information: Do not allow to enter into ground-water, surface water or drains Waste treatment methods Product Waste key number: Recommendation: Contaminated packaging Recommendation: SECTION 13: Disposal considerations * = Acids * = Evidence for disposal must be provided. Special waste. Dispose of waste according to applicable legislation. Waste key number paper and cardboard packaging Waste key number Plastic packaging: OPP Dispose of waste according to applicable legislation. Non-contaminated packages may be recycled UN number ADR/RID, IMDG, IATA-DGR: not applicable 14.2 UN proper shipping name ADR/RID, IMDG, IATA-DGR: Not restricted 14.3 Transport hazard class(es) ADR/RID, IMDG, IATA-DGR: not applicable 14.4 Packing group ADR/RID, IMDG, IATA-DGR: not applicable 14.5 Environmental hazards Marine pollutant: no SECTION 14: Transport information

9 Page: 9 of Special precautions for user No dangerous good in sense of these transport regulations Transport in bulk according to Annex II of Marpol and the IBC Code SECTION 15: Regulatory information 15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture National regulations - Great Britain Hazchem-Code: - National regulations - EC member states Volatile organic compounds (VOC): 0 % by weight 15.2 Chemical Safety Assessment For this mixture a chemical safety assessment is not required. Further information SECTION 16: Other information Wording of the H-phrases under paragraph 2 and 3: H302 = Harmful if swallowed. H315 = Causes skin irritation. H317 = May cause an allergic skin reaction. H319 = Causes serious eye irritation. H335 = May cause respiratory irritation. H412 = Harmful to aquatic life with long lasting effects. Reason of change: Date of first version: 17/11/2015 Department issuing data sheet Contact person: Changes in section 1: Material number see section 1: Dept. responsible for information For abbreviations and acronyms, see: ECHA Guidance on information requirements and chemical safety assessment, chapter R.20 (Table of terms and abbreviations). The information in this data sheet has been established to our best knowledge and was up-to-date at time of revision. It does not represent a guarantee for the properties of the product described in terms of the legal warranty regulations. Most recent product information is available at: